BootApplication.java

package sample;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import static org.springframework.web.bind.annotation.RequestMethod.POST;

@SpringBootApplication
@RestController
public class BootApplication {

    private static final Logger logger = LoggerFactory.getLogger(BootApplication.class);

    public static void main(String[] args) {
        SpringApplication.run(BootApplication.class, args);
    }

    @RequestMapping(method = POST, path = "/")
    @ResponseBody
    public ResponseText method(@RequestBody RequestText requestText) {
        logger.info("enter=processing");
        ResponseText responseText = new ResponseText();
        responseText.responseText = "processed(" + requestText.requestText + ")";
        logger.info("exit=completed");
        return responseText;
    }

    public static class RequestText {
        public String requestText;
    }

    public static class ResponseText {
        public String responseText;
    }

}